======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '69'
                                          'artist'  'Carrie Thacquer'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Tennessee Mama'
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '21'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '127.524'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000E62 00000E22 00005F8B 00006CDE 00001400 00001400 000076DC 00007069 '
 '00000E63 00000E63')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A50 00000000002EBA20 00000000 00196125 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '230ADC15+208677+21+150+11209+22017+33115+43886+52620+57828+65365+72766+81864+93455+103752+115663+125457+135686+146139+158162+169297+177822+189460+198428'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '6'
'TBPM' (BPM (beats per minute))                     '127.524'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Tennessee Mama'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Carrie Thacquer'
'TRCK' (Track number/Position in set)               '6/21'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.463388'

========================== row from database ==========================
                                              'id'  760687
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Carrie Thacquer - Tennessee Mama.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  69
                                           'genre'  set-pl-spelling
                                        'filesize'  1670413
                                           'mtime'  1620356306
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling set pl spelling
                                      'tag_artist'  Carrie Thacquer
                                     'tag_release'  None
                                       'tag_title'  Tennessee Mama
                                             'bpm'  127.524
                                    'search_title'  'mama':2 'tennessee':1
                                   'search_artist'  'carrie':1 'thacquer':2
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'pl':6 'set':5 'spelling':4 'themes':3
                                    'search_combo'  '0novelty':6 '0playlists':5 'carrie':3B 'mama':2A 'pl':10 'set':9 'spelling':8 'tennessee':1A 'thacquer':4B 'themes':7
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356306.2402172  (2021-05-07 04:58:26)
                             'size'  1670413